Home / 347,728.40-479,979.24-204,481.52

Finding the Fourth Proportional to 347,728.40, 479,979.24 and 204,481.52

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Solution

The fourth proportional to 347,728.40, 479,979.24 and 204,481.52 is: 282,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,728.40 : 479,979.24 = 204,481.52 : x
  2. Step 2: Convert to fraction form
    347,728.40/479,979.24 = 204,481.52/x
  3. Step 3: Cross multiply
    347,728.40x = 479,979.24 × 204,481.52
  4. Step 4: Simplify right side
    347,728.40x = 98,146,884,563.64
  5. Step 5: Solve for x
    x = 98,146,884,563.64/347,728.40
  6. Step 6: Final answer
    x = 282,251.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.